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Fabrication of micropatterns on channel sidewalls using strain-recovery property of a shape-memory polymer

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3 Author(s)
Chakraborty, A. ; Mech. & Aerosp. Eng., Univ. of Texas at Arlington, Arlington, TX, USA ; Liu, X. ; Luo, C.

In this work we have demonstrated a new approach to generate micropatterns on the sidewalls of polystyrene (PS) microchannels. The PS used is a thermal shape-memory polymer (SMP). The sidewall patterns were produced based on the strain-recovery phenomenon of a PS film, which results in the formation of high-aspect-ratio microstructures. Using this method, we have fabricated 50 × 50 μm2 square dots and 100-μm-wide, 500-μm-wide straight lines and 150-μm-wide serpentine lines on the sidewalls of PS channels.

Published in:

Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS), 2011 16th International

Date of Conference:

5-9 June 2011

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